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Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.

Quantum Interpretations and Foundations

Undergrad New interpretation for the double slit experiment with light?
Undergrad Tried finding out what this symbol means, but to no avail did not find it. Help
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Graduate Derivative of an operator valued function
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Graduate Wave function is always in abstract space?
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Graduate Schrodinger Equation and wavefunctions
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Undergrad Energy levels hydrogenic atoms
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Undergrad Radial distribution function, concept.
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Graduate Understanding QFT vs QM: A Beginner's Guide to the Differences and Similarities
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Graduate What is the difference between interaction and measurement?
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Graduate Two Groups of Entangled Photons
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Graduate Can photon-photon interactions alone produce black body radiation?
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Graduate Quantum superposition and Vector Space
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Graduate Lagrangian vs Hamiltonian in QFT vs QM
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Undergrad Dose E=hn means quantization of energy?
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Graduate Charge Conjugation and Internal Symmetry Representations
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Graduate U(1), SU(2), SU(3) are symmetry of what?
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Graduate Can better sensors extract more info from old lens w/o limits?
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Graduate Any useful applications at all?
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Graduate What were the first applications of quantum mechanics to technology?
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Graduate I can't figure out if these are matrices or numbers
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Undergrad Do Slater's Rules and Hund's Rule Contradict Each Other?
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Graduate Evidence that electron is a point particle?
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Graduate A question in QFT book of Peskin&Schoeder?
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Graduate What is the direction of angular momentum vector of a photon?
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Graduate Can Quantum Probability Fields Mimic Wormhole Effects in Particle Transfer?
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Graduate Understanding Quantum Spin: A Layman's Guide to Particle Spin of 1/2
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Graduate Radial wave function in H atom
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Graduate Can a photon have energy of spin?
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Undergrad Electromagnetic radiations in bohr model
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Graduate Quantum Harmonic Oscillator Question
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Graduate Quantum Field as Physical Entity?
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Graduate Orchestration of Quantum Entanglement
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Graduate Magnitude of the scattering ampliudes in QFT
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Graduate The dipole interaction and fermions
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Graduate Is space quantized or is it seamless and smooth?
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Graduate What is the physical meaning of the double rotation symmetry of spin-1/2 states?
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Graduate Do photons gain mass in the presense of a black hole?
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Graduate A question regarding finite potential wells
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Graduate How photon entanglement works?
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Graduate Is there lighter particle than photon?
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Graduate /The probability density does not goto zero at the nodes if
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Graduate Question on the nature of spacetime
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Graduate Do gamma and X-ray wavelength photons also exist as collapse able wave fx's?
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Graduate Is entanglement still considered spooky ?
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Graduate Need help understanding this: Deriving expressions for spin 1/2 systems
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Graduate Wave funtions for a massive particle moving in 1D harmonic oscillating potential
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Graduate What is (physical) information?
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Graduate Analytic Continutation of Quantum Statistical Mechanics
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Graduate Operators and commutors, and order.
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Graduate Something's wrong in < Intro to QM >, by Griffiths
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Graduate Non-covariant parts of the propagator?
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Graduate Understanding Spherical Symmetry in the Hydrogen Atom
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Graduate Intuitive diagrams for Feynman diagram
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Graduate Quick question about notation for normalisation
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Graduate Pauli Exclusion Principle and Black Holes
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Graduate Whats the difference between reflection and scattering of photon? (QFT)
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Graduate How Does Zee Derive the Double Factorial in QFT's Gaussian Integral?
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Graduate Can Extending the Delay in a Quantum Eraser Experiment Alter Past Events?
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How to Make a Delicious Pizza at Home
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Graduate Quantum Entanglement in a Human Brain
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Graduate Do virtual gnomes play a role in black hole physics?
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Graduate What is the Principle that gives particles their own actual size?
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Graduate Why are quantities called operators
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Graduate Entangled Photons: V/H & 45/135 Polarisations
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Graduate Understanding Lagrangian: Explaining \frac{\delta S}{\delta \varphi _i}=0
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Graduate Wavefunction vs EM wave of a Photon
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Graduate Feynman diagrams for more than two particles
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Graduate What is the physical interpretation of bra-ket notation in quantum mechanics?
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Graduate What is the momentum operator in different bases and how can it be obtained?
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Graduate Expectation values for expanded wave functions
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Undergrad Photon detector used in Young's Double Slit experiment?
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Graduate Wavefunction collapse with a single photon?
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Graduate What is the role of fields in Quantum Field Theory (QFT)?
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Graduate Is Wick Rotation Essential for Defining Quantum Field Theory?
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Graduate Parity operators and anti commutators
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Graduate What is the opposite of realism in quantum mechanics?
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Graduate Gauge Theories in Particle Physics: Questions Answered
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Graduate Quantum Computing: Superpositon of states problem
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Graduate How Does Path Integral Formalism Derive the Quantum Propagator?
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Graduate End of Realism? Experiments Test Quantum Mechanics
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Graduate 181* NMR pulse, atomic description
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Graduate Double Slit Experiment: Does Energy Decrease?
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Graduate 3 body relativistic phase space
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Graduate Is the ground state of a harmonic oscillator unique?
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Graduate Does Ghirardi's Thought Experiment Challenge Quantum Mechanics Predictions?
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Graduate Addition of Complex Term in Lippmann Schwinger Equation
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Graduate Destructive interference in electron diffraction
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Graduate Bra State Meaning: Negative Energy Possibility?
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Undergrad Revolution of electron and that of the planets
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Graduate Understanding Glauber Coherent States
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Graduate What is the size of a black hole?
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Graduate Renormalization massless phi4 theory in Peskin.
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Graduate Full quantum mechanical description of the double slit experiment
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Graduate How Does QFT Describe or Predict the Position of a Particle?
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Graduate Question about double slit experiment with detectors
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Graduate Understanding the Hermitian Form in Velo-Zwanzinger's Article
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Graduate How Many Quantum Numbers Define a Spin 1/2 Particle's State?
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Graduate Determination of time-dependent coefficients (QM)
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Graduate Does the time dependent hamiltonian have stationary states?
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Graduate Number of Photons and wavelength?
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Graduate Question about quantum entanglement
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